Use of Electric Wireline Logs as part of a Successful Planning for Well Stimulation Services

Course Details

This interactive, applications-driven training course will highlight the principles and applications of the main open and cased hole logging services used in the oil industry for professionals who work in the planning and execution of well stimulation services.

The course will explore the tools response explained from their physical principles and their utilization in the successful planning of well stimulation services, most common cased hole technologies will be also covered explaining their main applications and limitations for well stimulation.

  • Reservoir engineers in exploration and production departments
  • Geologists, geophysicist and petrophysicist
  • Petroleum and drilling engineers
  • In general, all other oil & gas industry professionals who are involved in stimulation services planification, execution and monitoring

Course Outline

Day 1

Basic Concepts Review on Well Logging and Well Stimulation Services

• Basic Well Logging concepts.
• Auxiliary measurements, applications and common issues.
• Basic measurements: Gamma Ray and SP
• Well stimulation methods
• Formation damage. Logs that could estimate Formation Damage
• Minimizing the damage.
• Matrix stimulation
• Lithology, Permeability and Porosity.
• Hydraulic fracturing. Logs that help on planning and monitoring


Resistivity Formation Damage Estimation

• Resistivity Theory, principles and applications of laterologs
• Advanced Laterolog logging tools: array and azimuthal
• Formation Damage Estimation with Array Laterolog Tools
• Microresistivity devices, principles and applications
• Conductivity tools, uses and limitations
• Advanced Induction logging tools, 3D induction
• Formation Damage Estimation with Multiarray Induction Tools
• RT and invasion profile determination. Invasion quantification

Day 2

Reservoir Porosity and Mechanical Properties

• Formation density tools, principles and applications
• The photoelectric factor, a key lithology indicator
• Neutron tools principles and applications
• Porosity determination from density and neutron logs
• Lithology determination and its relevance for well stimulation services
• Basic sonic tools, borehole compensation
• Dipole sonic tools, applications
• Mechanical properties determination and uses for Hydraulic Fracture Planification
• Hydraulic Fracture Vertical Extension Estimation
• Sonic scanner principles and applications
• Common sonic issues in the borehole

Stress Evaluation and Natural Fractures

• Dipmeter interpretation principles
• Geological Image Logging Tools
• Structural and Stratigraphic Interpretation Principles
• Open, partially open and healed fractures interpretation
• Faults and unconformities interpretation examples
• Stress Orientation Determination and its Importance for Hydraulic Fracturing
• Facies analysis for reservoir characterization with image logs
• Ultrasonic logging tools. Interpretation and Examples

Day 3

Lithology, Pore and Grain Size Determination

• Nuclear Magnetic Resonance, principles and applications
• Relaxation mechanisms and their association with fluid and rock properties
• Porosity, irreducible water saturation and permeability determination
• Grain and pore size determination with magnetic resonance
• Advanced fluid determination methods: 3D map T1-T2-Difussion
• Geochemical Logging tools for elements estimation
• Precise lithology from elements for matrix stimulation planification
• Complex lithology evaluation examples.


Formation Pressures and Basic Formation Evaluation Techniques

• Reservoir pressure determination tools
• Pre-test interpretation
• Lost seal, dry tests and supercharging
• Pressure gradient interpretation
• Advanced probes for special well and reservoir conditions
• Permeability determination
• Formation evaluation principles
• Rw determination methods
• Crossplots utilization, Hingle and Pickett plots
• Graphical interpretation techniques for porosity and lithology
• Saturation determination equations and techniques
• Complete formation evaluation exercise

Day 4

Cement Quality and Casing Integrity Relevance for Well Stimulation Services

• Cement Evaluation Logs: CBL-VDL.
• Interpretation and LQC
• Ultrasonic cement evaluation tools.
• Corrosion logging basics
• Mechanic, Ultrasonic and Electromagnetic Tools

Day 5

Other Relevant Wireline Services for Well Stimulation Planning, Execution and Monitoring

• Hydraulic Fracture Real-Time Monitoring. Microseismic.
• Production Logs Basic. Different flow rates
• Core Sampling Tools. Core Lab Analysis.
• Well Perforating Basics
• Underbalance and Oriented Perforating
• Other Perforating Techniques to Maximize Hydraulic Fracture Efficiency
• Wireline Bridge Plugs and Packers placement

Use of Electric Wireline Logs as part of a Successful Planning for Well Stimulation Services